Semiconductor heating device, small, HGK 047 110-250V, 30W system climate control SIVACON 8MF / 8MR - for climate in cabinets. The system climate control meets specific requirements. SIVACON 8MR ensures trouble-free operation of the electrical and electronic devices installed in the cabinet, even under adverse environmental conditions. It prevents the formation of condensate or frost damage and protects against resulting malfunctions. The portfolio ranges from filter fans to cooling and heating devices, as well as thermostats. Alternatively, ventilated cabinets can be used in operating rooms, where the system climate control is ensured by natural convection.